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diff --git a/2019/sketch_190910b/sketch_190910b.pyde b/2019/sketch_190910b/sketch_190910b.pyde
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index 00000000..a6e3c5d4
--- /dev/null
+++ b/2019/sketch_190910b/sketch_190910b.pyde
@@ -0,0 +1,57 @@
+from __future__ import division
+
+
+def setup():
+    size(600, 600)
+    blendMode(MULTIPLY)
+    rectMode(CENTER)
+    noStroke()
+    noLoop()
+    global ox, oy
+    ox, oy = 0 , 0
+
+        
+def draw():
+    colorMode(RGB)
+    background(240, 240, 220)
+    rec_grid(width / 2, height / 2, 2, 580)
+    
+def rec_grid(x, y, n, tw):
+
+    pushMatrix()
+    translate(x, y)
+    cw = tw / n
+    margin = (cw - tw) / 2
+
+    for i in range(n):
+        nx = cw * i + margin
+        for j in range(n):
+            ny = cw * j + margin
+            if cw > 8 and random(10) < 8.5:
+                rec_grid(nx, ny, 2, cw)
+            elif cw < 8:
+                colorMode(HSB)
+                c = map(cw, 5, width / 4, 0, 250)
+                fill(c, 200, 255)
+                noStroke()
+                # circle(nx, ny, cw - 2)                
+                global ox, oy
+                stroke(dist(ox, oy, nx, ny)/ 5., 255, 255)
+                line(ox, oy, nx, ny)
+                ox += x
+                oy += y  
+
+ 
+                                
+    popMatrix()
+
+    
+    
+def keyPressed():
+    saveFrame("####.png")
+    redraw()
+    global ox, oy
+    ox, oy = 0 , 0
+    
+    
+